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<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>功能预览</title>
</head>
<body>
    <h1>功能一览</h1>
    <h3><a href="http://127.0.0.1:8000/pdfToimage/">PDF转换图片</a></h3>
</body>
</html>